Marsha's Mood

Recording by John Mayall.

Recording identifiers

ISRC
GBF076721350
CopyrightID (CopyrightChains transaction hash)
0xeb84f03251c9713bb4e282bb2fd541ad5a55f4405fdec0ed4e3a264f080e170d
Copyright registration time
2026-06-10T17:12:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:2be8308ec5fca26360fd13d39ad44f4d3a1a296d69a7848fb221e29524f6f143

What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.